OpenAI has recently unveiled Sora, dubbed as the "World Simulator", a cutting-edge artificial intelligence technology capable of generating highly realistic videos from textual descriptions. This innovation, highlighted by the creation of a video featuring a dog typing on a keyboard, marks a significant advancement in AI-generated content. Sora utilizes DALL•E 3's "re-captioning technique" for enhanced language comprehension, allowing it to accurately interpret and visualize complex prompts. The technology is based on diffusion models, which have been recognized for their effectiveness in image and video synthesis across various domains. Sora's potential applications range from creating viral TikTok videos to possibly producing films capable of winning Oscars, as suggested by its demonstration clip. Additionally, Sora incorporates techniques such as VAE Encoder, ViT, Conditional Diffusion, DiT Block, and VAE decoder, showcasing its sophisticated architecture, and is referred to as Video DiT. The AI community is exploring ways to improve efficiency, such as reducing the need for large diffusion transformers in all sampling steps without compromising image quality. Sora's introduction has sparked discussions on its impact on creativity, with some speculating it could replace traditional content creation methods.